Battle Spirits Trading Card Game Call of the Core Booster Box Brand new in original factory-sealed packaging! "Call of the Core" is the first release in the hottest new trading card game from Bandai. "Call of the Core" introduces 153 cards from the world of Battle Spirits up to 6 Common, up to 2 Uncommon, and 1 of 3 Rare card types; 8 Cards /32 Packs